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Finding the Fourth Proportional to 6,779.70, 10,170.90 and 2,400.26

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Solution

The fourth proportional to 6,779.70, 10,170.90 and 2,400.26 is: 3,600.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,779.70 : 10,170.90 = 2,400.26 : x
  2. Step 2: Convert to fraction form
    6,779.70/10,170.90 = 2,400.26/x
  3. Step 3: Cross multiply
    6,779.70x = 10,170.90 × 2,400.26
  4. Step 4: Simplify right side
    6,779.70x = 24,412,753.58
  5. Step 5: Solve for x
    x = 24,412,753.58/6,779.70
  6. Step 6: Final answer
    x = 3,600.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.